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wierd drivability

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  #1  
Old 04-06-2016 | 08:29 AM
TOM R's Avatar
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Default wierd drivability

So Friday I go to work and rover has a hiccup just before I get on the hi way I figure no biggie, get to top of ramp to merge and no power, I only have 3 miles or so to work and drive the entire time pedal to floor 50 MPH with popping

Get there look under hood and all I see wrong was the pcv hose on drivers valve cover has split open

Got it limped home later that day, called Justin for a hose, I put the hose on yesterday and decided to throw the fuel pressure gauge on, 26/28 psi, it holds when I rev it

Any ideas of things to look at, I do not know if the hose resolved my issue have not driven yet

No codes, sensor values all look good
 
  #2  
Old 04-06-2016 | 08:59 AM
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Originally Posted by TOM R
So Friday I go to work and rover has a hiccup just before I get on the hi way I figure no biggie, get to top of ramp to merge and no power, I only have 3 miles or so to work and drive the entire time pedal to floor 50 MPH with popping

Get there look under hood and all I see wrong was the pcv hose on drivers valve cover has split open

Got it limped home later that day, called Justin for a hose, I put the hose on yesterday and decided to throw the fuel pressure gauge on, 26/28 psi, it holds when I rev it

Any ideas of things to look at, I do not know if the hose resolved my issue have not driven yet

No codes, sensor values all look good
I bet that fixed it. That split hose made for a vacuum leak, for sure.
 
  #3  
Old 04-06-2016 | 09:38 AM
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What is your fp under load?
 
  #4  
Old 04-07-2016 | 09:30 AM
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When I raise the rpm it maintains the pressure, already did the pressure regulator previously
 
  #5  
Old 04-07-2016 | 10:58 AM
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If the the split hose didn't cure it the only thing other thing that comes to mind is spark.
 
  #6  
Old 04-07-2016 | 01:12 PM
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Yeah I was thinking crank sensor
 
  #7  
Old 04-07-2016 | 02:17 PM
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Tom this just reminded me of a similar problem I had. It turned out to be a knock sensor. It didn't throw a code for a couple of days, then the wire (which was somehow on the exhaust manifold) burned through. That's when I got a code. But it ran just as you described with and without the code. It was also accompanied by engine knock, which I though was just bad gas (until I got the code).
 
  #8  
Old 04-07-2016 | 07:31 PM
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OK I'll ad it to the list lol
 
  #9  
Old 04-19-2016 | 07:48 PM
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Actual answer......... mass air flow sensor, threw on a spare and all is good for now

It had gotten wet at rotr guess it took a little bit to die
 
  #10  
Old 04-19-2016 | 11:21 PM
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Nice. We should all carry spare MAFs. Group buy?!
 


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